Map. USGS 15' topographic quadrangle - Hereford - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1952 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Hess Canyon, Texas. Scale 1:62500. 1923 edition, reprinted 1946. Mounted on canvas. Annotated with locations of two wells which were cored/logged [including Jo Anne Moore #1 and Montgomery #1]., 1946 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Hess Canyon, Texas. Scale 1:62500. 1923 edition, reprinted 1946. One reprint and three photocopies, all annotated with pencilmarks and one of which is annotated with blue stream valleys. Not annotated with localities., 1946 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Hope - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Horse Creek Valley, Nevada. Scale 1:62500. Two copies annotated with localities including PN-4023-F and PN-4024-F., 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Horse Heaven Mtn, Nevada. Scale 1:62500. Two copies annotated with localities including PN-4093-F and PN-4094-F., 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Jiggs, Nevada. Scale 1:62500. Marked with a circle, likely indicating a collection locality. Not explicitly annotated with localities., 1959 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Klondyke - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1938 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Marathon, Texas. Scale 1:62500. 1921 edition, reprinted 1949. Mounted on canvas. Not annotated with localities., 1949 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Monument Spring, Texas. Scale 1:62500. 1921 edition, reprinted 1946. Annotated with localities [see center N edge of map area]., 1946 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.